Fill it up again Dummy
Join Date: Sep 2012
Location: Central Valley, California
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Do you have a engine monitor,ScanguageII Edge ect ?
My guess would be a weak ficm. Do you notice more soot on rear fender from exhaust??
Then again all I ever get is 12-14mpg. Have a ficm coming with the Atlas40 tune and hope to go up maybe a little. If not a little more power will be a nice treat.
2006 F250 LARIAT CCSB 4X4: Edge CS2, ARP Studs, O-Ringed Heads, X4 PHP 65 HP Custom Tow Tune, Atlas40 Ficm Tune, CAT EC-1 Coolant, IPR Coolant filter, Fass-125, turbo-back SS 4" pipe, Corsa muffler, 6.4 Banjo's, 6.4 starter,DC Power 270 amp alt, 2/0 cables, Die Hard Platinum AGM, 7" lift w: Icon Progressive Coil Springs, 2008^ Carli/Deaver rear springs on fatty-daddy 38/15.50/18 Toyo's
Last edited by mhatlen; 11-17-2012 at 02:15 PM.